How did bacteria make complex life on Earth possible?

By releasing oxygen into the atmosphere

B

By destroying life-inhibiting volcanoes

By evolving rapidly into multi-celled organisms

All of the above

Too much cholesterol is a bad thing, but your body needs some cholesterol to work. What is the function of cholesterol in your body?

What behavior do you expect to see in a cell that has a mutation where cdk is always turned on?

Alternation of generations means that plants produce: only haploid multicellular organisms only diploid multicellular organisms only diploid multicellular organisms with single-celled haploid gametes both haploid and diploid multicellular organisms

What are strategies that people could use to effectively communicate with someone from a different culture?

Which statements best describe how the properties of gases and plasmas differ? Select all that apply. The particles of gases have a higher kinetic energy than the particles of plasmas. Plasma particles are charged while gas particles are uncharged.

Which statement is correct? A. Both plants and fungi undergo photosynthesis. B. Both protists and fungi are eukaryotic. C. Like some prokaryotes, fungi are autotrophic. D. Both animals and fungi lack cell walls.

In an ecosystem, bees are responsible for the pollination of flowers. Over time, the number of bees in the population have increased. Which of these best explains why the number of flowers in the population have also increased?

What is a likely consequence of continued human population growth?

Why is an organisms role important for its community?

Briefly describe what is meant by the semiconservative nature ofDNA replication?